Bug 2107066 (CVE-2022-2991, ZDI-CAN-17194) - CVE-2022-2991 kernel: heap-based overflow in LightNVM Subsystem may lead to privilege escalation
Summary: CVE-2022-2991 kernel: heap-based overflow in LightNVM Subsystem may lead to p...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-2991, ZDI-CAN-17194
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2107071
TreeView+ depends on / blocked
 
Reported: 2022-07-14 09:11 UTC by TEJ RATHI
Modified: 2022-08-30 04:55 UTC (History)
49 users (show)

Fixed In Version: kernel 5.15-rc1
Doc Type: If docs needed, set a value
Doc Text:
A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem. This vulnerability allows a local attacker to escalate privileges and execute arbitrary code in the context of the kernel. The attacker must first obtain the ability to execute high-privileged code on the target system to exploit this vulnerability.
Clone Of:
Environment:
Last Closed: 2022-08-30 04:55:59 UTC
Embargoed:

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Description TEJ RATHI 2022-07-14 09:11:06 UTC 
This vulnerability found within the LightNVM subsystem allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

References:
https://www.zerodayinitiative.com/advisories/ZDI-22-960/
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/lightnvm/Kconfig?h=v5.10.114&id=549209caabc89f2877ad5f62d11fca5c052e0e8
Comment 4 Product Security DevOps Team 2022-08-30 04:55:56 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-2991
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